Endpoint Protection

Hello.
SEP 11.0.4 installed on XP, definitions is up-to-date. In a system tray appears alert  "Your computer might be at risk ..." despite of SEP client works. Alert disapear after disabling and enabling SEP client.
Reinstalling client didn't help.
Maybe someone has got the same problem.

Thanks
Tom

i think the problem is with WMI
check this discussion should work fine

https://www-secure.symantec.com/connect/forums/noob-hereso-please-bear-me 

Up grade your client to ru5(11.0.5) there is a fix for this problem
Windows Security displays the warning "MALWARE PROTECTION out of date" after a user manually runs an Active Scan or a Complete Scan
Fix ID: 1486799
Symptom: Windows Security displays the warning "MALWARE PROTECTION out of date" after a user manually runs an Active Scan or a Complete Scan.
Solution: Symantec Endpoint Protection was modified to allow the product to query the Windows Security Center information correctly.

ref:Release notes for Symantec Endpoint Protection 11.0.x and Symantec Network Access Control 11.0.x
refer this doc also
Migrating to Symantec Endpoint Protection 11.0 RU5 

As aravind said its better to upgrade... RU has lot of fix... 

Ok. Thanks for your answers.
Regards.